Read LG 60PC4R-TB (CHASSIS:PP7AB) Service Manual online
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BLOCK DIAGRAM
Wired IR
RGB_PC
RGB_DTV
PC_Audio
TV
(RF)
COMP 1,2
AV1,
MONITOR OUT
Variable
Audio_out
HDMI1/2
(PC/DTV)
RS232
PP7AA
Block Diagram
HDMI_IIS
Variable_audio_out L/R
:
500mVrms
TX
ST3232
C
Tx/Rx :
±
15Vpp
74HC14
DSUB_SCL / DSBU_SDA
DS_VS / DS_HS
PC_Audio_L/R :
700mVrms
PC_Audio_L/R
TU_MAIN
:
1Vpp
S I F AM_Audio
AM_Audio / S I F
AV1_SW/S1_SW
COMP1,2_RIN/LIN
TV_L/R OUT :
500mVrms
VIN2 :
1/0.285Vpp
LIN2/RIN2:
500mVrms
AV_LOUT/ROUT
SUB_V OUT :
2Vpp
MAIN_V or Y/C OUT :
2Vpp
OUTPUT
51P_LVDS
HY5DU561622ETP-4
DDRRAM(256MB X2)
MX29LV320CTTC-70G
F-ROM(4MB)
L_CH
R_CH
L_SPK_OUT
R_SPK_OUT
24C02
I2C
Variable_audio_out L/R
SCART2_ID
Comp_SW
Comp_L/R :
500mVrms
TUNER
VIN1/YIN1/CIN1
:
1/0.285Vpp
Audio S/W
& CONTROL
MSP4450K
Comp_SW
SCART1_FB
SCART1_ID
LIN1/RIN1 :
500mVrms
AV2_SW
PWM
NTP3000H
I2 C
I2 C
I2C
I2C
AV SWITCH
CXA2040
MNT_OUT
MNT_LOUT/ROUT
I2 C
AV2
(Side AV)
MAIN SCALER
FLI8668
TXD /RXD :
5V Digital
VGA_RGB
:
0.7Vpp
COMP_Y/Pb/Pr
:
1/0.7Vpp
AIP_RAW_VS / AIP_RAW_HS_CS :
5V High/Low
SCART1_RGB
:
0.7Vpp
IR
CN_IIS
MC_IIS
HDMI_DATA :
3.3V
HDMI_CLK/DE :
3.3V
HDMI_IIS :
3.3V
HDMI_VS/HS :
3.3V
SCL/SDA
24C02
HDMI Rx
ANX9021
Tx even 0/1/2/3/4/C
odd 0/1/2/3/4/C
DISP_EN
SCL/SDA_Part
+
+
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